Hose clamp with internal hollow clamping devoid steps or discontinuities surfaces.

摘要

Clamp comprising means clamping band (11) having terminal portions clamping band intended to form portions of inner and outer overlapping band (11b, 11a; 111a, 111b) in the installed state, a connection (31 , 32, 35, 131, 170) operable to connect the parts of overlapping band, a clamping device (13; 113) to tighten the band means clamping around an object to be tightened, forming said device clamping (13; 113) a gap in the circumferential direction of the means of clamping band, and other means (61, 62, 63, 67, 163, 167, 161) to ensure that the surfaces of internal clamping means clamping band not present or voids or stepless, comprising a male element (61; 161) located in proximity to the end of the portion of inner band (11b; 111b) adapted to cooperate with a female (67; 167) element located on the outside of the band (11a; 111a ), Said male element (61; 161) less than the full width of the strip width, and said male member (61 being provided; 161) of a tab-like member bent upwards (21; 121) on each of its sides, and said outer portion being provided band (11a; 111a) with an opening for engagement of said type elements tab (21; 121) in order to guide relative movements of the inner and outer band portions during tightening of the clamping device (13 ; 113); characterized in that said outer band (11a; 111a) is provided with two guide grooves (63 ''; 163 ''), each of which is arranged for engagement with one of said type elements tab (21; 121).